the spy museum washington dc The San Francisco Convention and Visitors Bureau, 900 Market St. (at Powell St.), Hallidie Plaza, Lo

The San Francisco Convention and Visitors Bureau, 900 Market St. (at Powell St.), Hallidie Plaza, Lower Level, San Francisco, CA 94102 (&415/391-2000; www.onlyinsan francisco.com), is the best source of specialized information about the city. Even if you don t hav e a specific question, y ou might want to r equest the fr ee Visitors Planning Guide and the S an F rancisco Visitors Kit. You can also check online for specific

In December, some hotels, such as the Ritz-Carlton, hold childr en s holiday teas, and an outdoor ice skating rink opens at the E mbarcadero Center. The S an F rancisco Ballet dusts off The Nutcracker and

All child seats manufac tured af ter 1985 ar e c ertified f or airline use , but make sure your chair will fit in an airline seat it must be less than 16 inches wide. You ma y not use boost er seats or seatless v ests or harness sy stems. Safety seats must be placed in window seats except in exit rows, where they are pr ohibited, so as not t o block the passage of other tra velers in the case of an emer gency.